18650, Li-Ion, Lithium Ion, 2000mah, Laptop Battery, 7.2v, Lithium Battery, Polymer Li-Ion, Battery, Lifepo4, ... degree centigrade - Discharge: -20 to +60 degree centigrade - Charge Retention/Storage [%]: 1 year at -20 to +25 degree centigrade 3 month ... *415*180mm (L*W*H) Gross Weight: 8.6Kg/Carton Laptop Battery 16.8V Cylindrical Battery 2200mAh (JHY18650)